Snowdonia National Park Forecast

Also includes higher summits south to Plynlimon.

Viewing Weather Forecast for Thursday 29th June 2017
Forecast last updated on Wednesday 28th June 2017 at 10:48pm

Today | Friday | Saturday

Summary for all mountain areas

Low pressure will bring an unseasonably windy day across Scotland with severe upland gales, significant wind chill and rain, which will be incessant across the east Highlands. Across England and Wales, rain and drizzle on and off with extensive low cloud, but winds easing during afternoon.

Headline for Snowdonia National Park

Drizzly rain, cloud fairly extensive on hills

How windy? (On the summits)

North to northwesterly 25-30mph, but may drop to 15mph easternmost hills late afternoon.

Effect of wind on you?

May impede walking on some exposed tops and ridges.

How Wet?

Drizzly rain on and off

Rain and drizzle on and off for much of the day, but rarely heavy.

Cloud on the hills?

Fairly extensive

Most hills will be shrouded in cloud for much of the day, with lowest bases of 300-500m found across N.Snowdonia. Hills further south may see breaks to near or above tops outside of the drizzly rain.

Chance of cloud free summits?


Sunshine and air clarity?

Little or no sun. Visibility occasionally good, but often reduced due to drizzly rain.

How Cold? (at 900m)

7 to 8C

Freezing Level

Above tops

Planning Outlook

All mountain areas of Britain from Friday 30th June 2017

Further low pressure systems over the Atlantic will extend across northern Britain during this weekend. Rain or showers frequent, at times persistent, often accompanied by blustery winds - gale force on higher tops some days. Temperatures rather cool, particularly in Scotland. Next week is expected to remain changeable, with occasional rain, but some drier and brighter days, and temperatures should become warmer.

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